<section>
  <div class="btn-group">
    <d-button dTooltip [mouseEnterDelay]="500" [content]="' Mouse enter 500ms later. <br> Show me '"> MouseEnter delay 500ms </d-button>
    <d-button dTooltip bsStyle="common" [mouseLeaveDelay]="1000" [content]="' Mouse leave 1000ms later. <br> Hide me'">
      MouseLeave delay 1000ms
    </d-button>
  </div>
</section>
